« observatories list
| Country | United States |
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| Latitude | 19° 49' 25.69" N |
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| Longitude | 155° 28' 08.57" W |
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| Elevation | 4213m |
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| Other names | Hawaii Mauna Kea Gemini |
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| Light pollution | very low (1/14) |
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| Light pollution history | 2006-2024: all measurements very low (1/14) |
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| Limiting magnitude | 6.8 |
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| Maps (open on google) |
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{"elevation":4213,"name":"Gemini North","latitude":19.823801447222,"longitude":-155.46904675278,"timezone":"Pacific\/Honolulu","aliases":["Hawaii Mauna Kea Gemini"],"lightpollution":1,"country":"United States","lightpollutionhistory":[1,1,1,1,1]}